//
//  LJVisitorView.swift
//  LJWeibo
//
//  Created by 连俊杨 on 2017/10/9.
//  Copyright © 2017年 yang_ljun. All rights reserved.
//

import UIKit

class LJVisitorView: UIView {

    override init(frame: CGRect) {
        super.init(frame: frame)
        
        setupUI()
    }
    
    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    /// 内容的字典
    /// 首页的文字和内容都不需要改变，所以可以为空
    var visitorInfo: [String: String]? {
        didSet {
            guard let imageName = visitorInfo?["imageName"],
                  let tipText = visitorInfo?["tipText"] else {

                    return
            }
            
            tipLabel.text = tipText
            
            if imageName == "" {
                startAnimation()
                return
            }
            
            iconView.image = UIImage(named: imageName)
            
            /// 到此就不是首页
            houseView.isHidden = true
            maskIconView.isHidden = true
        }
    }
    
    
    
    /// 私有控件
    fileprivate lazy var iconView: UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_image_smallicon"))
    //遮罩视图
    fileprivate lazy var maskIconView: UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_mask_smallicon"))
    //小房子视图
    fileprivate lazy var houseView: UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_image_house"))
    //提示字体
    fileprivate lazy var tipLabel: UILabel = UILabel.cz_label(withText: "关注一些人，回这里看看有什么惊喜关注一些人，回这里看看有什么惊喜", fontSize: 14, color: UIColor.darkGray)
    //注册按钮
    lazy var registerButton: UIButton = UIButton.cz_textButton("注册",
                                                                           fontSize: 16,
                                                                           normalColor: UIColor.orange, highlightedColor: UIColor.black,
                                                                           backgroundImageName: "common_button_white_disable")
    //登录按钮
    lazy var loginButton: UIButton = UIButton.cz_textButton("登录",
                                                                        fontSize: 16,
                                                                        normalColor: UIColor.darkGray, highlightedColor: UIColor.black,
                                                                        backgroundImageName: "common_button_white_disable")
    fileprivate func startAnimation() {
        let animation = CABasicAnimation(keyPath: "transform.rotation")
        
        animation.toValue = 2 * M_PI
        animation.duration = 15
        animation.repeatCount = MAXFLOAT
        animation.isRemovedOnCompletion = false
        
        iconView.layer.add(animation, forKey: nil)
    }
}

extension LJVisitorView {
    fileprivate func setupUI() {
        backgroundColor = UIColor.cz_color(withHex: 0xEDEDED)
        tipLabel.textAlignment = .center
        
        addSubview(iconView)
        addSubview(maskIconView)
        addSubview(houseView)
        addSubview(tipLabel)
        addSubview(registerButton)
        addSubview(loginButton)
        
        /// 苹果原生自动布局
        for v in subviews {
            /// 取消系统自带的自动布局约束
            v.translatesAutoresizingMaskIntoConstraints = false
        }
        
        let margin: CGFloat = 20.0
        
        /// 圈圈
        addConstraint(NSLayoutConstraint(item: iconView,
                                         attribute: .centerX,
                                         relatedBy: .equal,
                                         toItem: self,
                                         attribute: .centerX,
                                         multiplier: 1.0,
                                         constant: 0))
        addConstraint(NSLayoutConstraint(item: iconView,
                                         attribute: .centerY,
                                         relatedBy: .equal,
                                         toItem: self,
                                         attribute: .centerY,
                                         multiplier: 1.0,
                                         constant: -60))
        
        /// 小房子
        addConstraint(NSLayoutConstraint(item: houseView,
                                         attribute: .centerX,
                                         relatedBy: .equal,
                                         toItem: iconView,
                                         attribute: .centerX,
                                         multiplier: 1.0,
                                         constant: 0))
        addConstraint(NSLayoutConstraint(item: houseView,
                                         attribute: .centerY,
                                         relatedBy: .equal,
                                         toItem: iconView,
                                         attribute: .centerY,
                                         multiplier: 1.0,
                                         constant: 0))
       
        /// 提示文字
        addConstraint(NSLayoutConstraint(item: tipLabel,
                                         attribute: .top,
                                         relatedBy: .equal,
                                         toItem: iconView,
                                         attribute: .bottom,
                                         multiplier: 1.0,
                                         constant: margin))
        addConstraint(NSLayoutConstraint(item: tipLabel,
                                         attribute: .centerX,
                                         relatedBy: .equal,
                                         toItem: iconView,
                                         attribute: .centerX,
                                         multiplier: 1.0,
                                         constant: 0))
        addConstraint(NSLayoutConstraint(item: tipLabel,
                                         attribute: .width,
                                         relatedBy: .equal,
                                         toItem: nil,
                                         attribute: .notAnAttribute,
                                         multiplier: 1.0,
                                         constant: 236))
        /// 注册按钮
        addConstraint(NSLayoutConstraint(item: registerButton,
                                         attribute: .left,
                                         relatedBy: .equal,
                                         toItem: tipLabel,
                                         attribute: .left,
                                         multiplier: 1.0,
                                         constant: 0))
        addConstraint(NSLayoutConstraint(item: registerButton,
                                         attribute: .top,
                                         relatedBy: .equal,
                                         toItem: tipLabel,
                                         attribute: .bottom,
                                         multiplier: 1.0,
                                         constant: margin))
        addConstraint(NSLayoutConstraint(item: registerButton,
                                         attribute: .width,
                                         relatedBy: .equal,
                                         toItem: nil,
                                         attribute: .notAnAttribute,
                                         multiplier: 1.0,
                                         constant: 100))
        
        /// 登录按钮
        addConstraint(NSLayoutConstraint(item: loginButton,
                                         attribute: .right,
                                         relatedBy: .equal,
                                         toItem: tipLabel,
                                         attribute: .right,
                                         multiplier: 1.0,
                                         constant: 0))
        addConstraint(NSLayoutConstraint(item: loginButton,
                                         attribute: .top,
                                         relatedBy: .equal,
                                         toItem: tipLabel,
                                         attribute: .bottom,
                                         multiplier: 1.0,
                                         constant: margin))
        addConstraint(NSLayoutConstraint(item: loginButton,
                                         attribute: .width,
                                         relatedBy: .equal,
                                         toItem: nil,
                                         attribute: .notAnAttribute,
                                         multiplier: 1.0,
                                         constant: 100))
        
        /// VFL设置遮罩视图
        let views: [String: Any] = ["maskIconView": maskIconView,
                                    "registerButton": registerButton]
        let metrics = ["spacing": -20]
        addConstraints(NSLayoutConstraint.constraints(withVisualFormat: "H:|-0-[maskIconView]-0-|",
                                                      options: [],
                                                      metrics: nil,
                                                      views: views))
        addConstraints(NSLayoutConstraint.constraints(withVisualFormat: "V:|-0-[maskIconView]-(spacing)-[registerButton]",
                                                      options: [],
                                                      metrics: metrics,
                                                      views: views))
    }
}




